6453620038 has 16 divisors (see below), whose sum is σ = 10019753280. Its totient is φ = 3113824896.

The previous prime is 6453620027. The next prime is 6453620057. The reversal of 6453620038 is 8300263546.

It is a junction number, because it is equal to n+sod(n) for n = 6453619979 and 6453620006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78931 + ... + 138337.

It is an arithmetic number, because the mean of its divisors is an integer number (626234580).

Almost surely, 2^6453620038 is an apocalyptic number.

6453620038 is a deficient number, since it is larger than the sum of its proper divisors (3566133242).

6453620038 is a wasteful number, since it uses less digits than its factorization.

6453620038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61311.

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 6453620038 is about 80334.4262318466. The cubic root of 6453620038 is about 1861.8061653415.

The spelling of 6453620038 in words is "six billion, four hundred fifty-three million, six hundred twenty thousand, thirty-eight".